Home / 355,739.05-490,913.44-194,592.69

Finding the Fourth Proportional to 355,739.05, 490,913.44 and 194,592.69

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Solution

The fourth proportional to 355,739.05, 490,913.44 and 194,592.69 is: 268,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,739.05 : 490,913.44 = 194,592.69 : x
  2. Step 2: Convert to fraction form
    355,739.05/490,913.44 = 194,592.69/x
  3. Step 3: Cross multiply
    355,739.05x = 490,913.44 × 194,592.69
  4. Step 4: Simplify right side
    355,739.05x = 95,528,167,454.86
  5. Step 5: Solve for x
    x = 95,528,167,454.86/355,739.05
  6. Step 6: Final answer
    x = 268,534.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.